CN108238752A - A kind of heat accumulation concrete based on high hydroscopic resin and preparation method thereof - Google Patents
A kind of heat accumulation concrete based on high hydroscopic resin and preparation method thereof Download PDFInfo
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- CN108238752A CN108238752A CN201611202848.8A CN201611202848A CN108238752A CN 108238752 A CN108238752 A CN 108238752A CN 201611202848 A CN201611202848 A CN 201611202848A CN 108238752 A CN108238752 A CN 108238752A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/08—Materials not undergoing a change of physical state when used
- C09K5/10—Liquid materials
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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Abstract
The present invention relates to a kind of heat accumulation concrete based on high hydroscopic resin and preparation method thereof, high hydroscopic resin particle, fine aggregate, heat-conducting medium, fiber and the water that the heat accumulation concrete based on high hydroscopic resin absorbs water by cementitious material, in advance are prepared, and the dosage of each raw material is:The high hydroscopic resin particle to absorb water in advance accounts for the 50 ~ 200% of gel material content, and fine aggregate accounts for the 0 ~ 150% of gel material content, and heat-conducting medium accounts for the 0.01 ~ 2% of gel material content, and fiber accounts for the 0.1 ~ 1% of gel material content, and water accounts for the 30 ~ 50% of gel material content.The high hydroscopic resin particle to absorb water in advance is used to prepare heat accumulation concrete, and processing is sealed to concrete surface, internal moisture is prevented to scatter and disappear by the present invention using the superabsorbent water of high hydroscopic resin and the performance of efficient water holding.The concrete moisture content is higher than normal concrete, and contained moisture realizes the heat storage function of concrete as heat storage medium.
Description
Technical field
The invention belongs to building material fields, and in particular to a kind of heat accumulation concrete and preparation method thereof.
Background technology
Heat accumulation concrete can absorb and store externally input thermal energy, then transmit heat outward in a manner of radiation, with
Indoor temperature is maintained, so as to achieve the purpose that improve building comfortable for living, reduce energy consumption.The research of heat-storing building material
Start from the 1980s, mainly with phase-change material processing construction material (such as plasterboard, wallboard and concrete component),
Or phase-change material is introduced by inside concrete by compound form, so as to fulfill heat accumulation/energy function of construction material, Ke Yibao
Hold indoor temperature stabilization.But phase-change thermal storage concrete technology has that some restrict its extensive use.Such as:Phase-change material into
This height, raw material are not easy to obtain;Phase transformation temperature points are higher, and heat accumulation is limited;Phase-change material encapsulation is difficult, introduces complex process;Phase
Basis material intensity can be reduced by becoming material;And degeneration, phase-change material occur for phase-change material thermophysical property in cyclic process
Easily from endurance issues such as the leakages of matrix.
Between the above problem existing for phase-change thermal storage concrete, developing a kind of concrete of the non-phase change medium of high specific heat capacity is
It improves heat accumulation concrete heat accumulation efficiency, promote one of the important means of its practical application.Water is most to be easy to get in nature, is most cheap
High specific heat capacity substance, specific heat capacity is 4.2 kJ/ (kg DEG C), and the specific heat of building materials is below 1kJ/ (kg DEG C) mostly.
If improving the moisture content of inside concrete, specific heat capacity also can be improved accordingly, but in concrete formation, if the ratio of mud crosses conference
The problems such as causing isolation, bleeding can also reduce the intensity of cement matrix, and after cement setting hardening, internal moisture is by cement water
Change is consumed, and excessive moisture can scatter and disappear and hole is formed in Behavior of Hardened Cement Paste, be not achieved and improve concrete by increasing moisture content
The purpose of specific heat.How by more juicy introducing inside concrete, and it is to solve the problems, such as this not reduce basis material intensity
Key point.
High hydroscopic resin has superpower water absorbing capacity and efficient water retention property, if high hydroscopic resin is used for concrete system
It is standby to improve coagulation soil's water content, and do not reduce its working performance.The special of high hydroscopic resin is mixed in concrete at present
The profit high hydroscopic resin more but used with report is mostly powdered, and interior maintenance action, Bu Huiti are mainly played in concrete
The moisture content of high concrete.Chinese patent " a kind of water uptake expansion resin aggregate concrete and preparation method thereof "(CN
103332902 A), spherical high hydroscopic resin particle is employed, main purpose is by controlling this high hydroscopic resin particle
Grain size prepares a kind of regulatable concrete of internal pore structure, and this concrete density is small, intensity is high, the pre-suction water polo of introducing
Shape high hydroscopic resin plays pore-creating and interior maintenance action, but final high hydroscopic resin particle meeting dehydration shrinkage, so as in concrete
Portion forms a large amount of regular spherical holes.Therefore the invention concrete moisture content is low, thermal conductivity factor is low, it is impossible to reach internal heat accumulation
Effect.
Invention content
The technical problems to be solved by the invention are to provide a kind of based on height in view of the deficiency of the prior art
Heat accumulation concrete of water-absorbing resin and preparation method thereof, the concrete have it is at low cost, preparation manipulation is simple, specific heat capacity is big, store up
The advantages that thermal efficiency is high is particularly suitable for the mortar cap rock of electrothermal tube fever type floor heating, is remarkably improved the heat accumulation efficiency of floor heating
With lasting Exotherm Time.
The present invention for solve the problems, such as it is set forth above used by technical solution be:A kind of heat accumulation based on high hydroscopic resin mixes
Solidifying soil, high hydroscopic resin particle, fine aggregate, heat-conducting medium, fiber and the water that it absorbs water by cementitious material, in advance are prepared, respectively
The dosage of raw material is:The high hydroscopic resin particle to absorb water in advance accounts for the 50 ~ 200% of gel material content, and fine aggregate accounts for cementitious material
The 0 ~ 150% of dosage, heat-conducting medium account for the 0.01 ~ 2% of gel material content, and fiber accounts for the 0.1 ~ 1% of gel material content, and water accounts for
The 30 ~ 50% of gel material content.
The high hydroscopic resin particle of the pre- water suction impregnates in water for high hydroscopic resin particle makes it absorb itself weight
After 20 times or more of water of amount, the grain size of formation is in the particle of 5 ~ 30mm;High hydroscopic resin particle before pre- water suction for grain size 1
The particle of ~ 5mm inhales distilled water multiple and is more than 100 times.
The cementitious material includes cement, supplementary cementitious material;The supplementary cementitious material for flyash, silicon ash,
One or more of miberal powder presses the mixture of arbitrary proportioning, and the dosage of the supplementary cementitious material is cement consumption
0~40%。
The heat-conducting medium, including one or more of carbon fiber, carbon nanotube, graphite powder, carbon black powder by arbitrary
2 ~ 10mm of length of the mixture of proportioning, wherein carbon fiber.
The fiber is polypropylene fibre, aramid fiber, polyacrylonitrile fibre, vinal, cellulose fibre
In any one or it is two or more mix in any proportion, a diameter of 10 ~ 50 μm of fiber, length be 2 ~ 25mm.
The fine aggregate is river sand or Machine-made Sand, and grain size is no more than 4.5mm.
The preparation method of a kind of heat accumulation concrete based on high hydroscopic resin, it is characterised in that including walking as follows
Suddenly:
1)High hydroscopic resin particle absorbs water in advance:High hydroscopic resin particle is placed in water immersion water suction, by controlling absorbent time
Or water absorbent rate, it obtains requiring the pre- water suction macromolecule resin particle of particle size range, drains excessive moisture;
2)Feeding:Choose each raw material in following ratio, the high hydroscopic resin particle to absorb water in advance account for gel material content 50 ~
200%, fine aggregate accounts for the 0 ~ 150% of gel material content, and heat-conducting medium accounts for the 0.01 ~ 2% of gel material content, and fiber accounts for gelling
The 0.1 ~ 1% of material utilization amount, water account for the 30 ~ 50% of gel material content;
3)Stirring:Dry mixing in cementitious material, fine aggregate, heat-conducting medium, fiber input blender is uniform;Water is then added in, is stirred
It mixes uniformly;The high hydroscopic resin particle of pre- water suction is eventually adding, stirs evenly, obtains mixture;
4)Molding:Above-mentioned mixture is cast in the mold of preset heat conducting pipe or heating cable(Or flooring)Middle molding, into
Type surface covered rearing with plastic film, demoulds after concrete hardening;
5)Maintenance:By 4)In obtained maturing continue to be placed in the environment of humidity >=98% maintenance or impregnate in water and support
Shield or surface soak/wet curing, until specifying age;
6)Face seal processing:After curing period, when concrete surface face to be hardened is done, in maturing all outer surfaces
Spraying or brushing osmosis type water-proof emulsion or sealing water-repellent paint, are sealed processing, purpose is prevents heat accumulation inside concrete
Moisture loss.
A kind of above-mentioned concrete backfill of the heat accumulation concrete especially suitable for indoor ground-heating system based on high hydroscopic resin
Layer.
The principle of the present invention is:The present invention is using the superabsorbent water of high hydroscopic resin and the performance of efficient water holding, by high water absorption
Resin particle is placed in water water swelling, so as to be inhaled by solid-state subject to the transformation of the water of conventional liquid, and by the height of this pre- water suction
Water-resin particle is introduced into and is sealed in cement concrete matrix, and concrete and its building structure are realized as heat-storage medium
Heat storage function, while carry out the concrete face seal processing, internal moisture is prevented to scatter and disappear.First passed through during use it is preset its
In heat conducting pipe or heating cable it is heated, heat is transferred to the water that high hydroscopic resin held by concrete substrate,
Heat storage is got up by the heating of water, realizes the functionality of heat accumulating.
Compared with normal concrete, the beneficial effects of the invention are as follows:
First, a large amount of water are introduced into concrete by the present invention using high hydroscopic resin, and prevent inside by face seal processing
Moisture loss, the moisture content for improving inside concrete, so as to improve the specific heat capacity of concrete entirety.
Second, the preferable heat-conducting medium of heat conductivility is mixed in the heat accumulation concrete for preparing of the present invention, makes it whole
Thermal conductivity factor greatly improves, and water of the outside heat into concrete in high hydroscopic resin is contributed to be transmitted, and is also beneficial to interior
Heat stored by portion transmits outward.
Third, compared with other heat accumulation concrete, the present invention has that at low cost, easy to operate, specific heat capacity is big, heat accumulation efficiency
The advantages that height, safety non-pollution.
Specific embodiment
For a better understanding of the present invention, with reference to the embodiment content that the present invention is furture elucidated, but the present invention
Content is not limited solely to the following examples.
Embodiment 1
A kind of heat accumulation concrete based on high hydroscopic resin, its composition and ratio are as follows:A certain amount of 42.5 ordinary silicons of P.O
Acid salt cement, the high hydroscopic resin particle to absorb water in advance account for the 200% of cement consumption, and fine aggregate accounts for the 100% of cement consumption, and heat conduction is situated between
Matter accounts for the 0.01% of cement consumption, and fiber accounts for the 0.5% of cement consumption, and water accounts for the 30% of cement consumption.The high water absorption of the pre- water suction
Resin particle is impregnated in water by the high hydroscopic resin particle that grain size is 1 ~ 3mm, it is made to absorb the water of 20 times of own wt or more
The grain size formed afterwards is in the particle of 5 ~ 10mm;The fine aggregate is river sand;The heat-conducting medium is carbon fiber, and length is
5mm;The fiber be polypropylene fibre, a diameter of 40 μm of fiber, length 20mm.
The preparation method of the above-mentioned heat accumulation coagulation based on high hydroscopic resin, includes the following steps:
1)The preparation of macromolecule hydrogel particle:By grain size be 1 ~ 2mm high hydroscopic resin particle be placed in water immersion, absorb water with
Reach grain size undetermined(5~10mm), excessive moisture is drained, it is spare;
2)Materials:Each material is weighed according to said ratio;
3)Stirring:Dry mixing in cement, fine aggregate, heat-conducting medium, fiber input blender is uniform;Then add in water, stirring 120
Second;The high hydroscopic resin particle of pre- water suction is eventually adding, stirs 60 seconds, obtains mixture;
4)Molding:Above-mentioned mixture is cast in the die for molding of preset heat conducting pipe, molded surface covered rearing with plastic film is treated
It is demoulded after concrete hardening;
5)Maintenance:By 4)In obtained concrete be placed in water maintenance 7 days;
6)Face seal processing:After curing period, when concrete surface face is dry, sprays permeate in concrete outer surface immediately
Type water-proof emulsion is sealed concrete surface processing.
Heat accumulation concrete main performance of this kind based on high hydroscopic resin is shown in Table 1.
Embodiment 2
A kind of heat accumulation concrete based on high hydroscopic resin, its composition and ratio are as follows:Cementitious material by 60% P.O 42.5
Portland cement, 20% flyash, 10% miberal powder and 10% silicon ash composition, the high hydroscopic resin particle to absorb water in advance account for gelling material
Expect the 50% of dosage, fine aggregate accounts for the 150% of gel material content, and heat-conducting medium accounts for the 2% of gel material content, and fiber accounts for gelling
The 0.1% of material utilization amount, water account for the 50% of cement consumption.The high hydroscopic resin particle of the pre- water suction is by height of the grain size for 3 ~ 5mm
Water absorbing resin particle impregnates in water, makes the grain size formed after the water of its 20 times of own wt of absorption or more in of 10 ~ 20mm
Grain;The fine aggregate is Machine-made Sand;The heat-conducting medium is graphite powder;The fiber be vinal, fiber
A diameter of 50 μm, length 25mm.
The preparation method of the above-mentioned heat accumulation coagulation based on high hydroscopic resin, includes the following steps:
1)The preparation of macromolecule hydrogel particle:By grain size be 4 ~ 5mm high hydroscopic resin particle be placed in water immersion, absorb water with
Reach grain size undetermined(5~20mm), excessive moisture is drained, it is spare;
2)Materials:Each material is weighed according to said ratio;
3)Stirring:Dry mixing in cementitious material, fine aggregate, heat-conducting medium, fiber input blender is uniform;Water is then added in, is stirred
It mixes 120 seconds;The high hydroscopic resin particle of pre- water suction is eventually adding, stirs 60 seconds, obtains mixture;
4)Molding:Above-mentioned mixture is cast in the die for molding of preset heating cable, molded surface covered rearing with plastic film,
It is demoulded after concrete hardening;
5)Maintenance:By 4)In obtained concrete be placed in standard curing environment and conserve 1 day;
6)Face seal processing:After curing period, when concrete surface face is dry, sprays permeate in concrete outer surface immediately
Type water-proof emulsion is sealed concrete surface processing.
Heat accumulation concrete main performance of this kind based on high hydroscopic resin is shown in Table 1.
Embodiment 3
A kind of heat accumulation concrete based on high hydroscopic resin, its composition and ratio are as follows:Cementitious material by 70% P.O 32.5
Portland cement and 30% flyash composition, the high hydroscopic resin particle to absorb water in advance account for the 150% of gel material content, thin to collect
Material accounts for the 120% of gel material content, and heat-conducting medium accounts for the 1% of gel material content, and fiber accounts for the 0.1% of gel material content, water
Account for the 50% of cement consumption.The high hydroscopic resin particle of the pre- water suction by grain size be 4 ~ 5mm high hydroscopic resin particle in water
It impregnates, makes the grain size formed after the water of its 20 times of own wt of absorption or more in the particle of 20 ~ 30mm;The fine aggregate is river
Sand;The heat-conducting medium is carbon black powder;The fiber be cellulose fibre, a diameter of 10 μm of fiber, length 10mm.
The preparation method of the above-mentioned heat accumulation coagulation based on high hydroscopic resin, includes the following steps:
1)The preparation of macromolecule hydrogel particle:By grain size be 4 ~ 5mm high hydroscopic resin particle be placed in water immersion, absorb water with
Reach grain size undetermined(15~30mm), excessive moisture is drained, it is spare;
2)Materials:Each material is weighed according to said ratio;
3)Stirring:Dry mixing in cementitious material, fine aggregate, heat-conducting medium, fiber input blender is uniform;Water is then added in, is stirred
It mixes 120 seconds;The high hydroscopic resin particle of pre- water suction is eventually adding, stirs 60 seconds, obtains mixture;
4)Molding:Above-mentioned mixture is cast in the die for molding of preset heating cable, molded surface covered rearing with plastic film,
It is demoulded after concrete hardening;
5)Maintenance:By 4)In obtained concrete be placed in standard curing environment and conserve 3 days;
6)Face seal processing:After curing period, when concrete surface face is dry, sprays permeate in concrete outer surface immediately
Type water-proof emulsion is sealed concrete surface processing.
Heat accumulation concrete main performance of this kind based on high hydroscopic resin is shown in Table 1.
Embodiment 4
A kind of heat accumulation concrete based on high hydroscopic resin, its composition and ratio are as follows:Cementitious material by 70% P.O 42.5
Portland cement and 30% sulphate aluminium cement composition, the high hydroscopic resin particle to absorb water in advance account for gel material content
120%, fine aggregate accounts for the 100% of gel material content, and heat-conducting medium accounts for the 0.05% of gel material content, and fiber accounts for cementitious material
The 0.6% of dosage, water account for the 45% of cement consumption.The high hydroscopic resin particle of the pre- water suction is by high water absorption of the grain size for 3 ~ 5mm
Resin particle impregnates in water, makes the grain size formed after the water of its 20 times of own wt of absorption or more in the particle of 15 ~ 25mm;Institute
The fine aggregate stated is Machine-made Sand;The heat-conducting medium is carbon nanotube;The fiber be aramid fiber, fiber it is a diameter of
20 μm, length 12mm.
The preparation method of the above-mentioned heat accumulation coagulation based on high hydroscopic resin, includes the following steps:
1)The preparation of macromolecule hydrogel particle:By grain size be 3 ~ 5mm high hydroscopic resin particle be placed in water immersion, absorb water with
Reach grain size undetermined(20~30mm), excessive moisture is drained, it is spare;
2)Materials:Each material is weighed according to said ratio;
3)Stirring:Dry mixing in cementitious material, fine aggregate, heat-conducting medium, fiber input blender is uniform;Water is then added in, is stirred
It mixes 120 seconds;The high hydroscopic resin particle of pre- water suction is eventually adding, stirs 120 seconds, obtains mixture;
4)Molding:Above-mentioned mixture is cast in the die for molding of preset heating cable, molded surface covered rearing with plastic film,
It is demoulded after concrete hardening;
5)Maintenance:By 4)In obtained concrete surface soak conserve 10 days;
6)Face seal processing:After curing period, when concrete surface face is dry, sprays permeate in concrete outer surface immediately
Type water-proof emulsion is sealed concrete surface processing.
Heat accumulation concrete main performance of this kind based on high hydroscopic resin is shown in Table 1.
Embodiment 5
A kind of heat accumulation concrete based on high hydroscopic resin, its composition and ratio are as follows:Cementitious material by 70% P.O 42.5
Portland cement, 20% flyash, 5% miberal powder and 5% silicon ash composition, the high hydroscopic resin particle to absorb water in advance account for cementitious material
The 45% of dosage, fine aggregate account for the 90% of gel material content, and heat-conducting medium accounts for the 1.6% of gel material content, and fiber accounts for gelling material
Expect the 0.5% of dosage, water accounts for the 40% of cement consumption.The high hydroscopic resin particle of the pre- water suction is that the high of 1 ~ 5mm is inhaled by grain size
Water-resin particle impregnates in water, makes the grain size formed after the water of its 20 times of own wt of absorption or more in the particle of 5 ~ 25mm;
The fine aggregate is Machine-made Sand;The heat-conducting medium be carbon fiber, length 2mm;The fiber is polypropylene fibre,
A diameter of 40 μm of fiber, length 20mm.
The preparation method of the above-mentioned heat accumulation coagulation based on high hydroscopic resin, includes the following steps:
1)The preparation of macromolecule hydrogel particle:By grain size be 4 ~ 5mm high hydroscopic resin particle be placed in water immersion, absorb water with
Reach grain size undetermined(5~20mm), excessive moisture is drained, it is spare;
2)Materials:Each material is weighed according to said ratio;
3)Stirring:Dry mixing in cementitious material, fine aggregate, heat-conducting medium, fiber input blender is uniform;Water is then added in, is stirred
It mixes 120 seconds;The high hydroscopic resin particle of pre- water suction is eventually adding, stirs 60 seconds, obtains mixture;
4)Molding:Above-mentioned mixture is cast in the indoor ground-heating system of preset heating cable and be molded, later in the mixed of floating
Plastic film is covered on solidifying soil face, plastic film is thrown off after concrete hardening;
5)Maintenance:To 4)In molding ground continue wet curing 1 day;
6)Face seal processing:After curing period, when mattess face is dry, osmosis type is sprayed in mattess immediately
Water-proof emulsion is sealed processing.
Heat accumulation concrete main performance of this kind based on high hydroscopic resin is shown in Table 1.
Comparative example 1
This example is substantially the same manner as Example 1, the difference is that only that curing period terminates to be placed on open-air seasoning maintenance, concrete takes off
Mould rear surface does not do any encapsulation process.Its main performance is shown in Table 1.
Comparative example 2
This example is substantially the same manner as Example 2, the difference is that only without heat-conducting medium.Its main performance is shown in Table 1.
Table 1
Claims (7)
- A kind of 1. heat accumulation concrete based on high hydroscopic resin, it is characterised in that the super absorbent resin that it absorbs water by cementitious material, in advance Fat particle, fine aggregate, heat-conducting medium, fiber and water are prepared, and the dosage of each raw material is:The high hydroscopic resin to absorb water in advance Grain accounts for the 50 ~ 200% of gel material content, and fine aggregate accounts for the 0 ~ 150% of gel material content, and heat-conducting medium accounts for gel material content 0.01 ~ 2%, fiber accounts for the 0.1 ~ 1% of gel material content, and water accounts for the 30 ~ 50% of gel material content.
- 2. a kind of heat accumulation concrete based on high hydroscopic resin according to claim 1, it is characterised in that:The pre-suction The high hydroscopic resin particle of water is impregnated for high hydroscopic resin particle in water after it is made to absorb the water of 20 times of own wt or more, shape Into grain size 5 ~ 30mm particle;High hydroscopic resin particle before pre- water suction for grain size 1 ~ 5mm particle, inhale distillation Water multiple is more than 100 times.
- 3. a kind of heat accumulation concrete based on high hydroscopic resin according to claim 1, it is characterised in that:The gelling Material includes cement, supplementary cementitious material;The supplementary cementitious material is one or both of flyash, silicon ash, miberal powder The mixture of arbitrary proportioning is pressed above, and the dosage of the supplementary cementitious material is the 0 ~ 40% of cement consumption.
- 4. a kind of heat accumulation concrete based on high hydroscopic resin according to claim 1, it is characterised in that:The heat conduction Medium presses the mixture of arbitrary proportioning, wherein carbon including one or more of carbon fiber, carbon nanotube, graphite powder, carbon black powder 2 ~ 10mm of length of fiber.
- 5. a kind of heat accumulation concrete based on high hydroscopic resin according to claim 1, it is characterised in that:The fiber For any one in polypropylene fibre, aramid fiber, polyacrylonitrile fibre, vinal, cellulose fibre or two kinds It mixes in any proportion above, a diameter of 10 ~ 50 μm of fiber, length is 2 ~ 25mm.
- 6. a kind of heat accumulation concrete based on high hydroscopic resin according to claim 1, it is characterised in that:The thin collection Expect for river sand or Machine-made Sand, grain size is no more than 4.5mm.
- 7. a kind of preparation method of heat accumulation concrete based on high hydroscopic resin according to claim 1, it is characterised in that Include the following steps:1)High hydroscopic resin particle absorbs water in advance:High hydroscopic resin particle is placed in water immersion water suction, by controlling absorbent time Or water absorbent rate, it obtains requiring the pre- water suction macromolecule resin particle of particle size range, drains excessive moisture;2)Feeding:Choose each raw material in following ratio, the high hydroscopic resin particle to absorb water in advance account for gel material content 50 ~ 200%, fine aggregate accounts for the 0 ~ 150% of gel material content, and heat-conducting medium accounts for the 0.05 ~ 2% of gel material content, and fiber accounts for gelling The 0.1 ~ 1% of material utilization amount, water account for the 30 ~ 50% of gel material content;3)Stirring:Dry mixing in cementitious material, fine aggregate, heat-conducting medium, fiber input blender is uniform;Water is then added in, is stirred It mixes uniformly;The high hydroscopic resin particle of pre- water suction is eventually adding, stirs evenly, obtains mixture;4)Molding:Above-mentioned mixture is cast in the die for molding of preset heat conducting pipe or heating cable, molded surface plastics Film covers, and is demoulded after concrete hardening;5)Maintenance:By 4)In obtained maturing continue to be placed in the environment of humidity >=98% maintenance or impregnate in water and support Shield or surface soak/wet curing, until specifying age;6)Face seal processing:After curing period, when concrete surface face to be hardened is done, in maturing all outer surfaces Spraying or brushing osmosis type water-proof emulsion or sealing water-repellent paint, are sealed processing.
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Cited By (9)
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CN111606650A (en) * | 2019-04-29 | 2020-09-01 | 中建材创新科技研究院有限公司 | Heat-conducting paper-surface gypsum board and preparation method thereof |
CN111606649A (en) * | 2019-04-29 | 2020-09-01 | 中建材创新科技研究院有限公司 | Solid waste heat conduction self-leveling mortar and preparation method and application thereof |
CN111606648A (en) * | 2019-04-29 | 2020-09-01 | 中建材创新科技研究院有限公司 | Gypsum-based heat-conducting self-leveling mortar and preparation method and application thereof |
CN111606651A (en) * | 2019-04-29 | 2020-09-01 | 中建材创新科技研究院有限公司 | Heat-conducting gypsum self-leveling mortar and preparation method and application thereof |
CN111606653A (en) * | 2019-04-29 | 2020-09-01 | 中建材创新科技研究院有限公司 | Phase-change heat-storage gypsum plaster board and preparation method thereof |
CN111606653B (en) * | 2019-04-29 | 2021-12-17 | 中建材创新科技研究院有限公司 | Phase-change heat-storage gypsum plaster board and preparation method thereof |
CN111998626A (en) * | 2020-09-10 | 2020-11-27 | 安徽马钢张庄矿业有限责任公司 | Low-concentration fine-grain tailing dehydration treatment device and method |
CN111998626B (en) * | 2020-09-10 | 2022-02-01 | 安徽马钢张庄矿业有限责任公司 | Low-concentration fine-grain tailing dehydration treatment device and method |
CN112456893A (en) * | 2020-12-17 | 2021-03-09 | 金胜海 | Energy storage brick for heating and manufacturing method thereof |
CN114380560A (en) * | 2022-02-08 | 2022-04-22 | 华创建筑设计有限公司 | C50 high-strength resin concrete and preparation process thereof |
CN114380560B (en) * | 2022-02-08 | 2022-12-30 | 华创建筑设计有限公司 | C50 high-strength resin concrete and preparation process thereof |
CN115231913A (en) * | 2022-07-07 | 2022-10-25 | 宜兴王子制陶有限公司 | Wall-flow honeycomb ceramic filter with adjustable porosity and preparation process thereof |
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